<template>
  <el-container class="home-container">
    <!-- 头部区域 -->
    <el-header>
      <div>
        <img src="../assets/logo.png" alt="" />
        <span>个人小账本</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <!-- 主体区域 -->
    <el-container>
      <!-- 左侧导航栏 -->
      <el-aside :width="isCollapse ? '64px' : '200px'">
        <div class="toggle-button" @click="toggleCollapse">|||</div>

        <el-menu
          background-color="#333744"
          text-color="#fff"
          :unique-opened="true"
          :collapse="isCollapse"
          :collapse-transition="false"
          :router="true"
          :default-active="activePath"
        >
          <el-submenu index="1">
            <template slot="title">
              <i class="el-icon-money"></i>
              <span>账目管理</span>
            </template>

            <el-menu-item index="/transactions" @click="saveNavState('/transactions')">账目记录</el-menu-item>

            <el-menu-item index="/categoryList"  @click="saveNavState('/categoryList')">账目类别列表</el-menu-item>
            <el-menu-item index="/moneyManager" @click="saveNavState('/moneyManager')">预算管理</el-menu-item>
            
          </el-submenu>

          <el-submenu index="2">
           <template  slot="title">
            <i class="el-icon-menu"></i>
            <span slot="title">类别管理</span>
            
           </template>
           <el-menu-item index="/categoryUpdate" @click="saveNavState('/categoryUpdate')">类别修改</el-menu-item>
           <el-menu-item index="/selectByCategory" @click="saveNavState('/selectByCategory')">按照类别查询</el-menu-item>
          </el-submenu>

          <el-submenu index="3">
           <template  slot="title">
            <i class="el-icon-document"></i>
            <span slot="title">统计分析</span>
            
           </template>
           
           <el-menu-item index="/dataAnlyse"  @click="saveNavState('/dataAnlyse')"> 账目图表</el-menu-item>
          </el-submenu>


          <el-submenu index="4">
           <template  slot="title">
            <i class="el-icon-setting"></i>
            <span slot="title">用户管理</span>
           </template>
           
           <el-menu-item index="/manager" @click="saveNavState('/manager')">管理员验证</el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 右侧容器主体 -->
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  data() {
    return {
      //左侧菜单数据
      menuList: "",
      iconsObj: {
        125: "iconfont icon-user",
        103: "iconfont icon-tijikongjian",
        101: "iconfont icon-shangpin",
        102: "iconfont icon-danju",
        145: "iconfont icon-baobiao",
      },
      //是否折叠菜单栏
      isCollapse: false,
      //被激活的地址
      activePath: "",
    };
  },
  created() {
    this.activePath = window.sessionStorage.getItem("activePath");
  },
  methods: {
    logout() {
      window.sessionStorage.clear();
      this.$router.push("/login");
    },

    //点击按钮实现菜单折叠
    toggleCollapse() {
      this.isCollapse = !this.isCollapse;
    },
    //保存连接的激活状态
    saveNavState(activePath) {
      window.sessionStorage.setItem("activePath", activePath);
      this.activePath = activePath;
    },
  },
};
</script>

<style lang="less" scoped>
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0px;
  align-items: center;
  div {
    display: flex;
    align-items: center;
  }
  div img {
    width: 50px;
    height: 50px;
    margin: 5px;
    border-radius: 5px;
  }
  div span {
    font-size: larger;
    font-weight: 900;
    color: white;
    margin-left: 10px;
  }
}
.el-aside {
  background-color: #333744;
  transition: 0.5s;
}
.el-main {
  background-color: #eaeaea;
}
.home-container {
  width: 100%;
  height: 100%;
}
.iconfont {
  margin-right: 10px;
}
.toggle-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
.el-menu {
  border-right: none;
}
</style>